Alkalinity, Single Parameter Test Kit, Model: AL-TA. Caused by the presence of carbonates, bicarbonates, hydroxides, and other dissolved salts, alkalinity is important to food and beverage processors, boiler operators, and aquatic biologists.

Manganese, Single Parameter Test Kit, Model: MN-PAN (Color disc/PAN). Manganese causes a bitter taste in water, and at concentrations above 0.1 mg/L, it causes objectionable stains on laundry and plumbing fixtures. Manganese control also is important in the beverage, paper, and textile industries, and in dye production and food processing.